Further explanation in comments.

Clarity on this. When you enter the scenario there appears to be quite a lot of Hyrule soldiers. You beat them, you beat the Hyrule Captain. No more soldiers appear. Eventually the message "Hyrule soldiers have appeared" shows on the screen and maybe two or three soldiers show up. Eventually a massive number of soldiers appear, and usually when you are down to say 30 seconds, and have barely defeated 100, maybe 150 soldiers. With not near time enough left to meet the challenge requirement of 500 defeats in 4:00. Who else has this happening and what did you do about it. Please note, this is happening even if the captains have been defeated, or if they have not. You can't very well defeat what never shows up to battle. If there is a trick to making the soldiers appear what might that be?

I have not played link, my 'link' to this meme is you Nixie, how you been girl? Hope you are doin alright in these 'unique' times. If you need to find answers to the game try typing the problem in a search engine, there may be a solution if you scroll through enough pages. If its not well known and just zpecific to ur game you might have to restart from an earlier point or there may be a way to coax more people onto the screen if u can move further onto the battlefield. Much love x

Well, hello there. Good to see you. I solved this finally. You know, I do the searches for game play questions, problems and such. I just find this site to be kind of a, "one stop shopping" type of deal. Sometimes it's nice to get around the gaming sites in which comments sit in moderation for an eternity before showing and getting a little input from others playing the game. Have a happy new year!

Im glad you sorted it. And.. what was the answer praytell? Happy new year too Nixie!

Well, I THINK when you rapidly kill off the captains QUICKLY that seems to help. What I did was wait to use the special attack until I was near a captain, that killed them in one hit. Fighting them just wastes time. So that's my take. I have been implementing the same strategy in other similar drills.

That was great thinking, but not a great day to be a captain. Speak soon Nixie x